Q6 a) A 10-cm dia. copper ball is to be heated from 100 *C to till average temperature of 150 °C in 30 min time. The average density is 8950 kg/ m' and the specific heat is 0.395 kJ/kg°C. Find (1) Total amount of heat transfer, (i) Average rate of Heat Transfer, (ii) Average Heat Flux b) A plane wall constructed of solid iron with thermal conductivity 70 W/mC, thickness 50 mm and with surface area 1 m by 1 m, temperature 150 °C on one side and 80°C on the other. Calculate the conductive heat transfer.

Q6 a) A 10-cm dia. copper ball is to be heated from 100 *C to till average temperature of 150 °C in 30 min time. The average density is 8950 kg/ m' and the specific heat is 0.395 kJ/kg°C. Find (1) Total amount of heat transfer, (i) Average rate of Heat Transfer, (ii) Average Heat Flux b) A plane wall constructed of solid iron with thermal conductivity 70 W/mC, thickness 50 mm and with surface area 1 m by 1 m, temperature 150 °C on one side and 80°C on the other. Calculate the conductive heat transfer.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.31P

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